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17-letter words containing r, l, f

  • four-letter words — any of a number of short words, usually of four letters, considered offensive or vulgar because of their reference to excrement or sex.
  • four-on-the-floor — a four-speed manual transmission having the gearshift set into the floor.
  • four-rowed barley — a class of barley having, in each spike, six rows of grain, with two pairs of rows overlapping.
  • four-star general — high-ranking military officer
  • four-stroke cycle — A four-stroke cycle is the cycle of engine operation which requires four strokes of the piston: for induction, compression, ignition, and exhaust.
  • fourfold purchase — a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare tackle (def 2).
  • fra filippo lippi — Lippi, Fra Filippo.
  • fractal dimension — (mathematics)   A common type of fractal dimension is the Hausdorff-Besicovich Dimension, but there are several different ways of computing fractal dimension. Fractal dimension can be calculated by taking the limit of the quotient of the log change in object size and the log change in measurement scale, as the measurement scale approaches zero. The differences come in what is exactly meant by "object size" and what is meant by "measurement scale" and how to get an average number out of many different parts of a geometrical object. Fractal dimensions quantify the static *geometry* of an object. For example, consider a straight line. Now blow up the line by a factor of two. The line is now twice as long as before. Log 2 / Log 2 = 1, corresponding to dimension 1. Consider a square. Now blow up the square by a factor of two. The square is now 4 times as large as before (i.e. 4 original squares can be placed on the original square). Log 4 / log 2 = 2, corresponding to dimension 2 for the square. Consider a snowflake curve formed by repeatedly replacing ___ with _/\_, where each of the 4 new lines is 1/3 the length of the old line. Blowing up the snowflake curve by a factor of 3 results in a snowflake curve 4 times as large (one of the old snowflake curves can be placed on each of the 4 segments _/\_). Log 4 / log 3 = 1.261... Since the dimension 1.261 is larger than the dimension 1 of the lines making up the curve, the snowflake curve is a fractal. [sci.fractals FAQ].
  • fractionalization — Separation into parts by fractionalizing.
  • fraternal society — a club or other association, usually of men, having a limited membership and devoted to professional, religious, charitable, or social activities.
  • frederick pollock — Sir Frederick, 1845–1937, English legal scholar and author.
  • frederick william — 1795–1861, king of Prussia 1840–61 (brother of William I of Prussia).
  • freewill offering — a voluntary religious contribution made in addition to what may be expected or required.
  • french provincial — noting, pertaining to, or resembling a style of furnishings and decoration originating in the provinces of France in the 18th century, derived from but less ornate than styles then current in Paris and featuring simply carved wood furniture, often with decorative curved moldings.
  • french revolution — the revolution that began in 1789, overthrew the absolute monarchy of the Bourbons and the system of aristocratic privileges, and ended with Napoleon's overthrow of the Directory and seizure of power in 1799.
  • french somaliland — a former name of Djibouti (def 1).
  • frequency polygon — a frequency curve consisting of connected line segments formed by joining the midpoints of the upper edges of the rectangles in a histogram whose class intervals are of uniform length.
  • from pole to pole — throughout the entire world
  • front-line player — a regular player on a sports team or one who plays in the farthest forward position
  • front-wheel drive — a drive system in which engine power is transmitted through the front wheels only.
  • frostbite sailing — the sport of sailing in temperate latitudes during the winter despite cold weather.
  • full linear group — the group of all nonsingular linear transformations mapping a finite-dimensional vector space into itself.
  • full load current — A full load current is the largest current that a motor or other device is designed to carry under particular conditions.
  • functional isomer — any of several structural isomers that have the same molecular formula but with the atoms connected in different ways and therefore falling into different functional groups.
  • funicular railway — a short, very steep railway having two parallel sets of tracks, upon each of which runs a car or train raised or lowered by means of a cable that simultaneously lowers or raises the other car or train in such a way that the two are approximately counterbalanced.
  • furbish lousewort — any plant belonging to the genus Pedicularis, of the figwort family, as the wood betony, formerly supposed to cause lice in sheep feeding on it: one species, P. furbishiae (Furbish lousewort) of parts of Maine and New Brunswick, Canada, having finely toothed leaves and a cluster of yellow flowers, is endangered and was thought to be extinct until specimens were discovered in 1946 and again in 1976.
  • gamblers' fallacy — the fallacy that in a series of chance events the probability of one event occurring increases with the number of times another event has occurred in succession
  • george whitefield — George, 1714–70, English Methodist evangelist.
  • gi bill of rights — any of various Congressional bills enacted to provide funds for college educations, home-buying loans, and other benefits for armed-services veterans.
  • glory-of-the-snow — any of several plants belonging to the genus Chionodoxa, of the lily family, native to the Old World, having showy, blue, white, or pink flowers that bloom early in the spring.
  • go for the collar — to go without a hit in a game
  • golf ball printer — IBM 2741
  • graafian follicle — one of the small vesicles containing a developing ovum in the ovary of a mammal.
  • grandfather clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
  • grapefruit league — a series of training games played by major-league teams before the opening of the season (so named because they take place in the citrus-growing South, as in Florida).
  • great rift valley — a series of rift valleys running from N to S, from the Jordan Valley in SW Asia to Mozambique in SE Africa.
  • great vowel shift — a series of changes in the quality of the long vowels between Middle and Modern English as a result of which all were raised, while the high vowels (ē) and (o̅o̅), already at the upper limit, underwent breaking to become the diphthongs (ī) and (ou).
  • grey-faced petrel — a dark-coloured New Zealand petrel, Pterodroma macroptera gouldi
  • guerrilla warfare — the use of hit-and-run tactics by small, mobile groups of irregular forces operating in territory controlled by a hostile, regular force.
  • guinea-hen flower — checkered lily.
  • gulf war syndrome — a group of symptoms occurring in some Gulf War veterans, most commonly including headache and memory loss, muscle pain, skin disorders, fatigue, sleep disturbances, and gastrointestinal and respiratory ailments, possibly caused by exposure to chemical weapons, vaccines, infectious diseases, or other factors.
  • hairline fracture — a very fine crack in a bone
  • half-breadth plan — a diagrammatic plan of one half of the hull of a vessel divided lengthwise amidships, showing water lines, stations, diagonals, and bow and buttock lines.
  • half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
  • hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
  • hardware platform — a group of compatible computers that can run the same software.
  • have feelings for — to be emotionally or sexually attracted to
  • henry of portugal — ("the Navigator") 1394–1460, prince of Portugal: sponsor of geographic explorations.
  • hit for the cycle — any complete round or series of occurrences that repeats or is repeated.
  • homo floresiensis — a possible species of very small, primitive human: its fossils were discovered on the Indonesian island of Flores in 2003.
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